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Live · checked today · 7 UK retailers tracked
Bombtech Grenade 21 Hybrid vs Cobra Aerojet #4 Hybrid / 21 Degree / Regular Flex KBS PGI 75 Shaft
Quick verdict
Checked daily across 7 UK retailers
Price and availability verdict
Bombtech Grenade 21 Hybrid is currently £76.99 used, while Cobra Aerojet #4 Hybrid / 21 Degree / Regular Flex KBS PGI 75 Shaft is currently £74.99 used. Against tracked history, Bombtech Grenade 21 Hybrid is at its lowest tracked price and Cobra Aerojet #4 Hybrid / 21 Degree / Regular Flex KBS PGI 75 Shaft is 24% above its lowest tracked price. Bombtech Grenade 21 Hybrid is currently available from 1 UK retailer, versus 6 for Cobra Aerojet #4 Hybrid / 21 Degree / Regular Flex KBS PGI 75 Shaft.
Cobra
Cobra Aerojet #4 Hybrid / 21 Degree / Regular Flex KBS PGI 75 Shaft
from £74.99
at The Second Hand Golf Shop · 6 retailers
Lowest £75 · lowest price we’ve seen
Discount vs RRP
Price vs usual
Where to buy
Bombtech Grenade 21 Hybrid
Where to buy
Cobra Aerojet #4 Hybrid / 21 Degree / Regular Flex KBS PGI 75 Shaft
Deal intelligence
Should you buy now, or wait?
Bombtech · Grenade 21 Hybrid
Not enough data yet
Cobra · Aerojet #4 Hybrid / 21 Degree / Regular Flex KBS PGI 75 Shaft
Not enough data yet
Today £104.99 · usual £99.95 · lowest £84.95
On sale 1 time in the last 5 months
Head to head
Category leaders, from the data on this page
- Cheapest new Grenade 21 £76.99 vs £104.99
- Most retailers in stock Aerojet #4 Hybrid / 21 Degree / Regular Flex KBS PGI 75 Shaft 6 vs 1
- Cheapest used Aerojet #4 Hybrid / 21 Degree / Regular Flex KBS PGI 75 Shaft from £74.99 vs £76.99
Price trajectory
How each has moved since we started tracking
Lowest tracked price per day, any condition. Caddence tracks both daily. Shaded spans are days we couldn’t collect prices — the lines break rather than guessing.
Cobra · Aerojet #4 Hybrid / 21 Degree / Regular Flex KBS PGI 75 Shaft
↓ £14.01
since 13 February 2026
Lowest £84.95 on 3 June 2026
New vs used
From used listings we track
Bombtech · Grenade 21 Hybrid
NEW £76.99
USED FROM £76.99
Cobra · Aerojet #4 Hybrid / 21 Degree / Regular Flex KBS PGI 75 Shaft
NEW £104.99
USED FROM £74.99
Used prices average 94% of new · 15 used listings tracked
Availability by build
Which configurations are in stock right now
| Build | Bombtech Grenade 21 Hybrid | Cobra Aerojet #4 Hybrid / 21 Degree / Regular Flex KBS PGI 75 Shaft |
|---|---|---|
| Stiff · 19° · Used | — | 3 retailers · from £74.99 at The Second Hand Golf Shop → |
| Regular · 19° · Used | — | 2 retailers · from £84.99 at Golf Clubs 4 Cash → |
| Stiff · 19° · Left-hand · Used | — | 2 retailers · from £104.95 at Replay Golf → |
| Regular · 21° · Used | 1 retailer · from £76.99 at UK Used Golf Clubs → | 1 retailer · from £109.99 at Golf Clubs 4 Cash → |
| Regular · 24° · Used | 1 retailer · from £76.99 at UK Used Golf Clubs → | 1 retailer · from £99.99 at Golf Clubs 4 Cash → |
| Extra Stiff · 19° · Used | — | 1 retailer · from £84.99 at Golf Clubs 4 Cash → |
| Regular · 19° · Left-hand · Used | — | 1 retailer · from £104.99 at Golf Clubs 4 Cash → |
| Regular · 21° · Left-hand · Used | — | 1 retailer · from £88.99 at Golf Clubs 4 Cash → |
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Common questions about the Bombtech Grenade 21 Hybrid vs Cobra Aerojet #4 Hybrid / 21 Degree / Regular Flex KBS PGI 75 Shaft
Prices shown are the cheapest in-stock price per retailer tracked by Caddence, updated daily. Always confirm the final price on the retailer's site.